Caltrans 2026 Plan Lists Upgrade for Highway 128 Maintenance Station Near Boonville

BOONVILLE, Mendocino County — October 23, 2026. A state transportation program includes work affecting a maintenance facility on State Route 128 near Boonville. The California Department of Transportation’s 2026 State Highway Operation and Protection Program (SHOPP) lists improvements at the Boonville Maintenance Station, Route 128 post mile R28.2, within a combined Mendocino County facilities project.

What work is described?

The program’s Mendocino project table includes replacing or upgrading maintenance station buildings near Ukiah and upgrading a storage-bin unit at the Boonville site, along with other maintenance facility improvements. It is an infrastructure project for state highway operations, not a housing development, hotel or general road reconstruction throughout Boonville.

What’s the construction schedule?

The program lists a planned March 16, 2027 start-of-construction milestone and a 2026–2027 programming period. As of October 23, 2026, that date lies in the future. Actual construction may depend on contract award, site conditions, funding approvals and later Caltrans updates; a planned milestone is not proof that crews have begun work.

How much is allocated?

The combined project table covers work at both the Ukiah and Boonville maintenance facilities. It gives program cost categories for right-of-way, construction, design and support. The amounts shown for the combined project should not be presented as money exclusively earmarked for the Boonville storage-bin work. Residents who want a Boonville-only estimate should request the detailed site-specific scope from Caltrans.

Why do maintenance stations matter?

Highway maintenance facilities store equipment and materials used by crews to maintain transportation infrastructure. Improved storage, access or safety arrangements can support routine work, but the Caltrans summary does not demonstrate that any particular local road will be repaved as a result. Route 128 remains an important connection for Anderson Valley residents and travelers to other Mendocino communities.

Where can residents check progress?

Caltrans District 1 and its official public project resources are the authoritative sources for final contract information and future work notices. Check state highway travel conditions through QuickMap, not through old construction timetables.

Follow Boonville News and Rural California. Send corrections or later project records to the newsroom. Support independent transportation reporting.

Primary source: Caltrans 2026 SHOPP combined program, Mendocino County maintenance facilities project including Boonville Route 128 site.

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